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National Agricultural Research Centre (NARC), Islamabad  established in 1984, is the largest research centre of the Pakistan Agricultural Research Council (PARC). NARC, with a total land area of approximately 1400 acres, is located near Rawal Lake, six kilometers south-east of Islamabad. Physical facilities in term of experimental fields, laboratories, green houses, gene bank, library/ documentation, auditorium, machinery & lab equipment repair workshops, stores, hostels, cafeteria, audio visual studios, are also available at NARC.

Journal Article

Journal Article

Puddling equipment: Traditional method and beyond  [2008]

Khan, A.S. (Pakistan Agricultural Research Council, Islamabad (Pakistan). Plant Sciences Div.); Salim, M. (Pakistan Agricultural Research Council, Islamabad (Pakistan). Plant Sciences Div.); Shehzad, F.D. (Pakistan Agricultural Research Council, Islamabad (Pakistan). Plant Sciences Div.);

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Puddling refers to the tillage system, in which the soil is repeatedly plowed and harrowed under submerged conditions, to make it soft for transplanting and less permeable to water. In puddling, various tillage implements are used to make the soil impermeable by manipulating it in standing water, which reduces its apparent specific volume, thus facilitating transplanting. Basic cultivation requirements in puddling are mixing and incorporation of organic matter, compaction of pan by smearing and hydraulic sealing, without increasing pan-depth. Tillage implements commonly used for puddling include backward inclined narrow tines, discs, powered rotary cultivators, puddlers, conical rotor, etc. In Pakistan, the tractor-operated cultivator is mainly used to puddle the fields in standing-water condition. These are finally leveled with wooden plank attached behind the cultivator. Studies carried out on these are summarized in this paper. There is little research done on appropriate tillage-implements for achieving quality puddling for soils of the rice areas in Pakistan. There is need to do a systematic study to identify appropriate puddling equipment for rice-area soils of Pakistan and then adapt them for in the country. The main points for this are outlined in the conclusion.
From the journal
Science Technology and Development (Pakistan)
ISSN : 0254-6418

Bibliographic information

Type:
Journal Article
In AGRIS since:
2009
Volume:
27
Issue:
1and2
Start Page:
26
End Page:
33
All titles:
"Puddling equipment: Traditional method and beyond"@eng
Other:
"4 tables, 27 ref., Summary (En)"
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Bibliographic information

Type:
Journal Article
In AGRIS since:
2009
Volume:
27
Issue:
1and2
Start Page:
26
End Page:
33
All titles:
"Puddling equipment: Traditional method and beyond"@eng
Other:
"4 tables, 27 ref., Summary (En)"